89722597 has 2 divisors, whose sum is σ = 89722598. Its totient is φ = 89722596.

The previous prime is 89722571. The next prime is 89722601. The reversal of 89722597 is 79522798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 10850436 = 8881^2 + 3294^2 .

It is a cyclic number.

It is not a de Polignac number, because 89722597 - 2¹¹ = 89720549 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89722597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89722537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44861298 + 44861299.

It is an arithmetic number, because the mean of its divisors is an integer number (44861299).

Almost surely, 2^89722597 is an apocalyptic number.

It is an amenable number.

89722597 is a deficient number, since it is larger than the sum of its proper divisors (1).

89722597 is an equidigital number, since it uses as much as digits as its factorization.

89722597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 89722597 is about 9472.2012753108. The cubic root of 89722597 is about 447.6795729694.

The spelling of 89722597 in words is "eighty-nine million, seven hundred twenty-two thousand, five hundred ninety-seven".